Conveners
Calorimetry
- T. Takeshita (Shinshu Univ.)
Calorimetry
- Antonio Ereditato (Laboratorium für Hochenergie Physik (LHEP) - University of Bern)
Calorimetry
- Adam Para (Fermi National Accelerator Lab. (Fermilab)-Unknown-Unknown)
Calorimetry
- Yasar Onel (Physics and Astronomy Department)
Calorimetry
- Gerald Eigen (CERN)
Calorimetry
- Jose Repond
Calorimetry
- Lei Xia (Argonne National Laboratory)
Dr
Zhu Ren-Yuan
(California Institute of Technology (CALTECH))
09/06/2011, 14:00
Calorimetry
Oral Presentation
Crystal calorimeters have traditionally played an important role in precision measurements of electrons and photons in high energy physics experiments. Recent interests in calorimeter technologies extend their applications also to hadrons and jets. Potential applications of a new generation scintillating crystals of high density and high light yield, such as LSO/LYSO, in high energy physics...
Lei Xia
(ANL-HEP)
09/06/2011, 14:30
Calorimetry
Oral Presentation
Particle Flow Algorithms (PFAs) have been applied to existing detectors to improve the measurement of hadronic jets in colliding beam
experiments. For future experiments, such as a TeV lepton
collider, detectors concepts optimized for the application of
PFAs are being developed. These concepts require so-called
imaging calorimeters, with unprecedented granularity. We will review
the...
Mr
Adam Para
(FNAL)
09/06/2011, 15:00
Calorimetry
Oral Presentation
The development of dual readout calorimetry aims at measuring the
electromagnetic fraction of hadronic shower on an event-by-event
basis. The resulting resolution is expected to be of the order of
20%/sqrt(E). We will review projects using sampling as well as
total absorption calorimeters.
Dr
Roberto Sacco
(Queen Mary (QM)-University of London)
09/06/2011, 16:00
Calorimetry
Oral Presentation
The Near Detector (ND280) of the T2K experiment is instrumented with an almost hermetic segmented Pb-scintillator electromagnetic calorimeter (ECAL), the main purpose of which is the measurement of photons, electrons and other particles escaping the inner detectors. Light produced in scintillator bars is collected by wavelength-shifting fibers and converted into electronic pulses by...
Antonella Succurro
(IFAE-Barcelona)
09/06/2011, 16:20
Calorimetry
Oral Presentation
The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. Due to the very good muon signal to noise ratio it assists the spectrometer in the identification and reconstruction of muons. TileCal is built of steel and scintillating tiles coupled...
Garoe Gonzalez Parra
(IFAE - Barcelona)
09/06/2011, 16:40
Calorimetry
Oral Presentation
TileCal, the central hadronic calorimeter of the ATLAS experiment at the CERN Large Hadron Collider (LHC), is built of steel and scintillating tiles with redundant readout by optical fibers and uses photomultipliers as photodetectors. It provides measurements for hadrons, jets and missing transverse energy. To equalize the response of individual TileCal cells with a precision better than 1%...
Mr
Zhili Weng
(Institute of Physics-Academia Sinica)
09/06/2011, 17:00
Calorimetry
Oral Presentation
The ATLAS iron-scintillator hadronic calorimeter (TileCal) provides precision measurements of jets and missing transverse energy produced in the LHC proton-proton collisions. Results assessing the calorimeter calibration obtained using cosmic ray muons collected in 2008, 2009 and 2010 are presented. The analysis was based on the comparison between experimental and simulated data, and addresses...
Vincent Francois Giangiobbe
(Dipartimento di Fisica-INFN, Sezione di Pisa-Unknown)
09/06/2011, 17:20
Calorimetry
Oral Presentation
TileCal is the central hadronic calorimeter of the ATLAS experiment at LHC. It is a sampling calorimeter using iron as absorber and plastic scintillating tiles as active material. The scintillation light produced by the passage of particles is read by photomultipliers (PMTs). TileCal readout is segmented in around 5000 cells (longitudinally and transversally), each of them being read by two...
Vito Palladino
(INFN, Sezione di Roma "La Sapienza")
09/06/2011, 17:40
Calorimetry
Oral Presentation
The branching ratio (BR) for the decay K+ -> pi+ nu anti-nu is about 10-10 and can be predicted in the Standard Model with minimal theoretical uncertainties, making it a sensitive probe for new physics. Measurement of this BR is challenging because of the background from dominant channels. The goal of the NA62 experiment is to measure this BR to within about 10%.
A system of photon vetoes is...
Burak Bilki
(University of Iowa)
10/06/2011, 16:00
Calorimetry
Oral Presentation
This calorimetry R&D focuses on establishing a proof of concept for totally active hadron calorimetry. The research program involves evaluating the performance of the different crystal and glass samples in combination with different light collection and readout alternatives to optimize simultaneous collection of Cerenkov and scintillation light components for application of the Dual Readout...
Dr
Corrado Gatto
(INFN)
10/06/2011, 16:20
Calorimetry
Oral Presentation
The physics program at future colliders demands an energy resolution of the calorimetric component of detectors at the limits of traditional techniques.
A novel Dual-Readout (ADRIANO) technology is under development with an expected excellent performance. Results from detailed Montecarlo studies on performance with respect to energy resolution, linear response and transverse containment...
Prof.
Nural Akchurin
(TTU)
10/06/2011, 16:40
Calorimetry
Oral Presentation
We show that the signals from a high-Z scintillating crystal (BSO) can be separated into a scintillation and a Cherenkov component by making use of the fact that the latter component is polarized. These studies will be summarized in view of the possible application of such crystals in dual-readout systems and wider application of polarization in calorimetry.
Prof.
G. Pauletta
(University of Udine)
10/06/2011, 17:00
Calorimetry
Oral Presentation
Extruded scintillator with wavelength shifting (wls) fiber for light collection and silicon avalanche photo-detection (SiPMs), followed by modest amplification remains an attractive candidate for large area counters such as are required for muon detectors/tail catchers for collider detectors. We report on R&D for the optimization of such detectors which has included the development of ad hoc...
Dr
Tohru Takeshita
(Shinshu Univ.)
10/06/2011, 17:20
Oral Presentation
Hadron energy measurement has intrinsic fluctuation due to neutral pion production in the hadron shower. Here we introduce active absorber in the hadronic calorimeter of sandwich type. The active absorber is achieved by using lead glass or similar heavy and transparent materials to have a possibility of detecting the cherenkov lights which indicate the EM shower.
The combination of two...
Frederic Machefert
(Laboratoire de l'Accelerateur Lineaire (LAL)-Universite de Pari)
11/06/2011, 08:30
Calorimetry
Oral Presentation
The LHCb calorimeter system is composed of four subdetectors. In addition to the electromagnetic and hadronic calorimeters (ECAL and HCAL respectively), the system includes in front of them the Scintillating Pad Detector (SPD) and Pre-Shower (PS), which are two planes of scintillating pads separated by a 2.5 radiation length lead sheet, aimed at tagging the electric charge and the...
Dr
Julia Hoffman
(Southern Methodist University (SMU))
11/06/2011, 08:50
Calorimetry
Oral Presentation
The ATLAS experiment is designed to study the proton-proton collisions produced at the LHC with a centre-of-mass energy of 14 TeV. Liquid argon (LAr) sampling calorimeters are used in ATLAS for all electromagnetic calorimetry covering the pseudorapidity region η<3.2, as well as for hadronic calorimetry from η=1.4 to η=4.8. The calorimeter system consists of an electromagnetic barrel...
Ekaterina Kuznetsova
(Deutsches Elektronen Synchrotron (DESY))
11/06/2011, 09:10
Calorimetry
Oral Presentation
CASTOR (Centauro And Strange Object Research) is a Cerenkov quartz-tungsten sampling calorimeter installed in the very forward region of the CMS experiment covering the pseudorapidity range of −5.2 to −6.6. The location of CASTOR and current geometry of the shielding imply operation under relatively high radiation dose and magnetic field. Except for very particular regions, the calorimeter...
Dr
Ugur Akgun
(University of Iowa), Prof.
Yasar Onel
(University of Iowa)
11/06/2011, 09:30
Calorimetry
Oral Presentation
Due to an expected increase in radiation damage in LHC, we propose to transform CMS Hadronic EndCap calorimeters to radiation hard quartz plate calorimeters. Quartz is proved to be radiation hard by the radiation damage tests with electron, proton, neutron and gamma beams. However, the light produced in quartz comes from Cerenkov process, which yields drastically fewer photons than...
Joshua Dennis Turner
(Department of Physics-Carleton University)
11/06/2011, 09:50
Calorimetry
Oral Presentation
Even though data taking has just started with the LHC, plans are being developed to operate the machine and its detectors at up to 10 times the original design luminosity. This has an impact on many components of the ATLAS detector, particularly the Forward calorimeter, which is exposed to some of the highest radiation rates in ATLAS.
The FCal detector and its associated components were...
Dr
Rahmat Rahmat
(University of Mississippi)
11/06/2011, 10:10
Calorimetry
Oral Presentation
We have developed HF GFlash, a very fast simulation of electromagnetic showers using parameterizations of the profiles in Hadronic Forward Calorimeter. HF GFlash has good agreement to 7 TeV Collision Data and previous Test Beam results. In addition to good agreement to Data and previous Test Beam results, we also have improve the speed of HF GFlash significantly. HF GFlash can simulate about...
Prof.
Jaehoon Yu
(UNIVERSITY OF TEXAS AT ARLINGTON)
11/06/2011, 11:00
Calorimetry
Oral Presentation
The detectors proposed for future e+e- colliders (ILC and CLIC) demand a high level of precision in the measurement of jet energies. Various technologies have been proposed for the active layers of the digital hadron calorimetry to be used in conjunction with the Particle Flow Algorithm (PFA) approach. The High Energy Physics group of the University of Texas at Arlington has been developing...
Kurt Francis
(Argonne National Laboratory)
11/06/2011, 11:20
Calorimetry
Oral Presentation
Particle Flow Algorithms (PFAs) have been proposed as a method of improving the jet energy resolution of future colliding beam detectors. PFAs require calorimeters with high granularity to enable three-dimensional imaging of events. The Calorimeter for the Linear Collider Collaboration (CALICE) is developing and testing prototypes of such highly segmented calorimeters. In this context, a large...
Jose Repond
(ANL)
11/06/2011, 11:40
Calorimetry
Oral Presentation
We report on the preliminary results of the CALICE Digital Hadron Calorimeter (DHCAL) prototype from test beam with muons, as well as the noise measurement during the test beam. The DHCAL prototype is a sandwich calorimeter, using 38 2cm-thick iron plates as absorbers and Resistive Plate Chambers (RPC) between the absorber plates as the active medium. The calorimeter has extremely fine...
Burak Bilki
(University of Iowa)
11/06/2011, 12:00
Calorimetry
Oral Presentation
As part of the overall program of the CALICE collaboration, a group led by Argonne National Laboratory built a large-size prototype of a Digital Hadron Calorimeter (DHCAL). The DHCAL consists of 51 layers, each with 96 x 96 square cm readout pads. The total number of readout channels exceeds 470,000 in less than 2 m^3 of detector volume and thus enables the measurement of hadronic showers with...
Dr
Jan Blaha
(LAPP/CNRS)
11/06/2011, 12:20
Calorimetry
Oral Presentation
Micromegas (Micro-mesh gaseous structure) is an attractive technology for applications in particle physics experiments (TPC, calorimeters, muon systems, etc.). The most important results of an extensive R&D program aiming to develop a new generation of a fine-grained hadron calorimeter with low power consumption digital readout using Micromegas chambers as an active element are presented. The...
Prof.
imad laktineh
(ipn LYON)
11/06/2011, 14:00
Calorimetry
Oral Presentation
The Calice collaboration is building a technological prototype of a new kind of high-granularity hadronic calorimeter using large GRPCs read out with a semi-digital power-gated electronics. The prototype of 1 cubic meter intends to confirm the results obtained with the calice digital HCAL and address the integration problems to be met in the ILC future experiments.
The prototype will be...
Jiri Kvasnicka
(Institute of Physics-Acad. of Sciences of the Czech Rep. (ASCR)-)
11/06/2011, 14:20
Calorimetry
Oral Presentation
We report on several versions of the calibration and monitoring system for the scintillator tile hadron calorimeter for the ILC. Our first calibration and monitoring board (CMB) is used to calibrate all 7600 SiPMs of a 1 m3 hadron calorimeter prototype. Each CMB has 12 LEDs and each LED illuminates 18 SiPMs through 18 optical fibers. The pulse is 10 ns wide and delivers a signal equivalent to...
Mr
Alexander Kaplan
(University of Heidelberg)
11/06/2011, 14:40
Calorimetry
Oral Presentation
The CALICE collaboration develops highly granular calorimeter prototypes to evaluate technologies for experiments at a future lepton collider. The analogue hadronic calorimeter prototype consists of steel absorber plates interleaved with 38 active plastic scintillator layers which are sub-divided into small tiles. In total 7608 tiles are read out individually via embedded Silicon...
Dr
Frank Simon
(Max-Planck-Institute for Physics, Munich, Germany)
11/06/2011, 15:00
Calorimetry
Oral Presentation
For calorimeter applications requiring precise time stamping, the time structure of hadronic showers in the detector is a crucial issue. This applies in particular to detector concepts for CLIC, where a hadronic calorimeter with tungsten absorbers is being considered to achieve a high level of shower containment while satisfying strict space constraints. The high hadronic background from gamma...
Dr
Mark Terwort
(DESY)
11/06/2011, 15:20
Calorimetry
Oral Presentation
The CALICE collaboration is currently developing an engineering
prototype of an analog hadron calorimeter for a future linear
collider detector. It is based on scintillating tiles that are
individually read out by silicon photomultipliers. The prototype
will contain about 2500 detector channels, which corresponds to one
calorimeter layer and aims at demonstrating the feasibility...
Usha Mallik
(Physics and Astronomy Department-University of Iowa)
11/06/2011, 16:00
Calorimetry
Oral Presentation
Particle Flow Algorithms (PFAs) will be central to physics analysis at a future Linear Collider. The two most advanced detector designs, ILD and SiD, both use PFAs to achieve the necessary jet energy resolution. The SiD letter-of-intent was validated using a PFA developed primarily by an Iowa-SLAC collaboration. This algorithm is now being completely redesigned and re-optimized for higher...
Rémi Cornat
(LLR - École polytechnique)
11/06/2011, 16:20
Calorimetry
Oral Presentation
Highly granular calorimetry promises to lead to major advances in the
precision of measurements at future colliders.
An ultra-granular electromagnetic calorimeter based on silicon sensor
readout is being developed within the CALICE collaboration. A first
prototype has already been tested in particle beams, and has shown the
expected performance. The focus is now on the development of...
adil Khan
(Kyungpook national University)
11/06/2011, 16:40
Calorimetry
Oral Presentation
We are studying next generation scintillation detectors for future collider experiments. For precise energy measurement of energetic jets in future experiments, particle flow algorithm with fine granular scintillator strip calorimeter will play an important role. To establish the technology of the calorimeter, we are studying the properties of small plastic scintillator strips with size of...
Dr
Toshiyuki Iwamoto
(The University of Tokyo)
11/06/2011, 17:00
Calorimetry
Oral Presentation
The MEG experiment, which searches for a lepton flavor violating muon decay, mu -> e gamma, to explore new physcis like supersymmetric grand unification, has started physics run since 2008 at Paul Scherrer Institute, Switzerland. Its innovative detector system, which consists of a 900 liter liquid xenon scintillation photon detector with 846 2inch photomultiplier tubes and a positron...
Robert Abrams
(Muons, Inc.)
11/06/2011, 17:20
Calorimetry
Oral Presentation
We describe a novel gas-Cherenkov calorimeter, which detects Cherenkov light showers emitted in an array of thin metal tubes or channels filled with gas. The materials are not vulnerable to radiation damage, and the detector is inherently fast and able to operate in high rate environments. Future accelerators such as the ILC and a muon collider will need fast, radiation-tolerant detectors for...
Jonathan Aguilar
(AGH University of Science and Technology)
11/06/2011, 17:40
Calorimetry
Oral Presentation
LumiCal will be the luminosity calorimeter for the proposed International Large Detector of the International Linear Collider (ILC). The ILC physics program requires the integrated luminosity to be measured with a relative precision on the order of 10e-3, or 10e-4 when running in GigaZ mode. Luminosity will be determined by counting Bhabha scattering events coincident in the two calorimeter...
